AU5124990A - Method for encrypting transmitted data using a unique key - Google Patents

Method for encrypting transmitted data using a unique key

Info

Publication number
AU5124990A
AU5124990A AU51249/90A AU5124990A AU5124990A AU 5124990 A AU5124990 A AU 5124990A AU 51249/90 A AU51249/90 A AU 51249/90A AU 5124990 A AU5124990 A AU 5124990A AU 5124990 A AU5124990 A AU 5124990A
Authority
AU
Australia
Prior art keywords
transmitted data
unique key
encrypting transmitted
encrypting
unique
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU51249/90A
Other versions
AU617598B2 (en
Inventor
Martin M. Atalla
Ralph R. Bestock
Webster D. Hopkins
Jae-Young Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tandem Computers Inc
Original Assignee
Tandem Computers Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tandem Computers Inc filed Critical Tandem Computers Inc
Publication of AU5124990A publication Critical patent/AU5124990A/en
Application granted granted Critical
Publication of AU617598B2 publication Critical patent/AU617598B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
AU51249/90A 1989-03-14 1990-03-12 Method for encrypting transmitted data using a unique key Ceased AU617598B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/323,485 US4933971A (en) 1989-03-14 1989-03-14 Method for encrypting transmitted data using a unique key
US323485 1989-03-14

Publications (2)

Publication Number Publication Date
AU5124990A true AU5124990A (en) 1990-09-20
AU617598B2 AU617598B2 (en) 1991-11-28

Family

ID=23259404

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51249/90A Ceased AU617598B2 (en) 1989-03-14 1990-03-12 Method for encrypting transmitted data using a unique key

Country Status (6)

Country Link
US (1) US4933971A (en)
EP (1) EP0387599B1 (en)
JP (1) JPH0334641A (en)
AU (1) AU617598B2 (en)
CA (1) CA2010450C (en)
DE (1) DE69022610T2 (en)

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US5953423A (en) 1994-04-28 1999-09-14 Citibank, N.A. Electronic-monetary system
US6021391A (en) * 1998-03-03 2000-02-01 Winbond Electronics Corp. Method and system for dynamic data encryption
US6122625A (en) 1991-11-15 2000-09-19 Citibank, N.A. Apparatus and method for secure transacting
US6490353B1 (en) 1998-11-23 2002-12-03 Tan Daniel Tiong Hok Data encrypting and decrypting apparatus and method

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Publication number Priority date Publication date Assignee Title
US6122625A (en) 1991-11-15 2000-09-19 Citibank, N.A. Apparatus and method for secure transacting
US5953423A (en) 1994-04-28 1999-09-14 Citibank, N.A. Electronic-monetary system
US6047067A (en) 1994-04-28 2000-04-04 Citibank, N.A. Electronic-monetary system
US6021391A (en) * 1998-03-03 2000-02-01 Winbond Electronics Corp. Method and system for dynamic data encryption
US6490353B1 (en) 1998-11-23 2002-12-03 Tan Daniel Tiong Hok Data encrypting and decrypting apparatus and method

Also Published As

Publication number Publication date
DE69022610T2 (en) 1996-05-02
EP0387599A2 (en) 1990-09-19
EP0387599A3 (en) 1993-12-22
JPH0334641A (en) 1991-02-14
CA2010450A1 (en) 1990-09-14
AU617598B2 (en) 1991-11-28
CA2010450C (en) 1998-08-18
US4933971A (en) 1990-06-12
DE69022610D1 (en) 1995-11-02
EP0387599B1 (en) 1995-09-27

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired